342343405 has 16 divisors (see below), whose sum is σ = 426844080. Its totient is φ = 263269888.

The previous prime is 342343381. The next prime is 342343411. The reversal of 342343405 is 504343243.

It can be written as a sum of positive squares in 8 ways, for example, as 1054729 + 341288676 = 1027^2 + 18474^2 .

It is not a de Polignac number, because 342343405 - 2¹⁹ = 341819117 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28719 + ... + 38851.

It is an arithmetic number, because the mean of its divisors is an integer number (26677755).

Almost surely, 2^342343405 is an apocalyptic number.

It is an amenable number.

342343405 is a deficient number, since it is larger than the sum of its proper divisors (84500675).

342343405 is a wasteful number, since it uses less digits than its factorization.

342343405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10400.

The product of its (nonzero) digits is 17280, while the sum is 28.

The square root of 342343405 is about 18502.5242872425. The cubic root of 342343405 is about 699.5530514197.

Adding to 342343405 its reverse (504343243), we get a palindrome (846686648).

The spelling of 342343405 in words is "three hundred forty-two million, three hundred forty-three thousand, four hundred five".